Model‑based systems engineering jobs

Model complex sub-systems, components, and full-scale HVAC/R systems from the ground up
Bridge the gap between theory and reality by developing physics-based models and validating them against rigorous real-world test data
Deploy cutting-edge component and system studies across a diverse portfolio of HVAC/R applications
Refine and perfect thermal, electrical, and mechanical system interactions to maximize efficiency

Requirements

Master’s degree with 7+ years of professional hands‑on experience in HVAC/R system modeling and simulation
Bachelor’s degree with 10+ years of professional hands‑on experience in HVAC/R system modeling and simulation
Nice to have: Bachelor’s or Master’s in Mechanical Engineering
Nice to have: Aerospace Engineering
Nice to have: Thermal Engineering

Skills

HVAC/R system modeling simulation refrigeration cycles

Systems Engineering Spring 2027 Co-op

RTX · Posted Nov 5, 2026

Open

Richardson, Texas, United States
On-site
Internship · Intern
0+ years

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Co‑op in Systems Engineering within Strategic Defense Solutions (SDS) at RTX, focusing on advanced communication solutions for aerospace and defense.

Compensation

The salary range for this role is - . The salary range provided is a good faith estimate representative of all experience levels.

Responsibilities

Perform in a cross‑functional agile team
Work in close coordination with a mentor using Collins Aerospace engineering processes
Create, decompose, and trace requirements for communications systems on military platforms
Use a model‑based systems engineering application to create logical and physical design diagrams
Perform integration and testing for these communications solutions

Requirements

Bachelor’s or Advanced degree in Mechanical or Aerospace Engineering
Nice to have: familiarity with RTX systems

Skills

systems engineering model‑based systems engineering Magic Draw Cameo Enterprise Architect SysML

Senior Software System Architect – Space Missions

SWISSto 12 · Posted Nov 5, 2026

Open

Lausanne, Vaud, Switzerland +1 more
Full-time · Senior
12+ years

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Lead the end‑to‑end mission software architecture for space missions, ensuring integration across payload, spacecraft, ground, and network systems.

Locations (2)

Lausanne, Vaud, Switzerland
Foster City, California, United States

Responsibilities

Serve as accountable technical owner for mission software architecture
Translate mission objectives into system interfaces and requirements
Make and document mission‑level architectural decisions
Own interface requirements and control documents
Drive definition and validation of space‑to‑ground interfaces

Requirements

Bachelor's or Master's degree in Systems Engineering, Aerospace Engineering, Computer Science, Electrical Engineering, Telecommunications, or a related field
Nice to have: Optical communications
Nice to have: Relay missions
Nice to have: Software‑defined payloads
Nice to have: Spacecraft avionics

Deputy Chief Engineer, X-BAT

Deputy Chief Engineer, X-BAT

Responsibilities

Requirements

Skills

Principal Mechanical Engineer

Compensation

Responsibilities

Requirements

Skills

Systems Engineering Spring 2027 Co-op

Compensation

Responsibilities

Requirements

Skills

Senior Software System Architect – Space Missions

Locations (2)

Responsibilities

Requirements

Benefits

Benefits

Skills